Google this week rolled out the latest addition to Gmail: stickers! Lots of them, each more adorable than the last. OK, maybe this is not a feature so much as a goofy little promotion, but who's gonna argue with stickers?

The company is sending out a pack of stickers (as seen above) to any user who sends a self-addressed stamped envelope to:

The deadline for securing sweet limited-edition Gmail stickers is Valentine's Day--or while supplies last. The pack includes keyboard shortcut labels, a robot, a glittery Gmail logo, and of course, a unicorn standing in front of a rainbow.

So why the stickers? My guess is that Gmail is planning on rolling out some scratch-and-sniff functionality in the near future.

Brian Heater has worked at a number of tech pubs, including Engadget, Laptop, and PCMag (where he served as Senior Editor). Most recently, he was as the Managing Editor of TechTimes.com. His writing has appeared in Spin, Wired, Playboy, Entertainment Weekly, The Onion, Boing Boing, Publishers Weekly, The Daily Beast and various other publications. He hosts the weekly Boing Boing interview podcast RiYL, has appeared as a regular NPR contributor and shares his Queens apartment with a rabbit named Lucy.
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